Some Characterizations of GVNL Rings |
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Authors: | YING Zhi-ling |
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Institution: | College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210046, China |
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Abstract: | A ring R is called a GVNL-ring if a or 1 - a is π-regular for every a ∈ R,as a common generalization of local and π-regular rings.It is proved that if R is a GVNL ring,then either (1 -e)R( 1 -e) or eRe is a π-regular ring for every idempotent e of R.We prove that the center of a GVNL ring is also GVNL and every abelian GVNL ring is SGVNL.The formal power series ring Rx] is GVNL if and only if R is a local ring. |
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Keywords: | GVNL ring VNL ring regular ring local ring |
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